[INFO] cloning repository https://github.com/acfoltzer/exported-symbol-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/acfoltzer/exported-symbol-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facfoltzer%2Fexported-symbol-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facfoltzer%2Fexported-symbol-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13ee4d468beea510847d621e16ae644056f3fe26
[INFO] checking acfoltzer/exported-symbol-example against try#8cf44c88fc5805dc578c5c987397615b47d2e2b2 for pr-136764
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facfoltzer%2Fexported-symbol-example" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/acfoltzer/exported-symbol-example on toolchain 8cf44c88fc5805dc578c5c987397615b47d2e2b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/acfoltzer/exported-symbol-example
[INFO] finished tweaking git repo https://github.com/acfoltzer/exported-symbol-example
[INFO] tweaked toml for git repo https://github.com/acfoltzer/exported-symbol-example written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/acfoltzer/exported-symbol-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d809c87b0dcf254f11966f3d8994bdd9ac283706d4527ddd7695e44e2696f56
[INFO] running `Command { std: "docker" "start" "-a" "4d809c87b0dcf254f11966f3d8994bdd9ac283706d4527ddd7695e44e2696f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d809c87b0dcf254f11966f3d8994bdd9ac283706d4527ddd7695e44e2696f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d809c87b0dcf254f11966f3d8994bdd9ac283706d4527ddd7695e44e2696f56", kill_on_drop: false }`
[INFO] [stdout] 4d809c87b0dcf254f11966f3d8994bdd9ac283706d4527ddd7695e44e2696f56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5889d1b7f549850f32a2b90dbc0504b35cc80909ebb7decb88f4edbab7011d74
[INFO] running `Command { std: "docker" "start" "-a" "5889d1b7f549850f32a2b90dbc0504b35cc80909ebb7decb88f4edbab7011d74", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]     Checking module v0.1.0 (/opt/rustwide/workdir/module)
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking lib2 v0.1.0 (/opt/rustwide/workdir/lib2)
[INFO] [stderr]     Checking lib4 v0.1.0 (/opt/rustwide/workdir/lib4)
[INFO] [stderr]     Checking lib3 v0.1.0 (/opt/rustwide/workdir/lib3)
[INFO] [stderr]     Checking lib5 v0.1.0 (/opt/rustwide/workdir/lib5)
[INFO] [stderr]     Checking lib1 v0.1.0 (/opt/rustwide/workdir/lib1)
[INFO] [stderr]     Checking exported-symbol-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> tests/broken4.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let t = &s as &lib4::T;
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let t = &s as &dyn lib4::T;
[INFO] [stdout]   |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "5889d1b7f549850f32a2b90dbc0504b35cc80909ebb7decb88f4edbab7011d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5889d1b7f549850f32a2b90dbc0504b35cc80909ebb7decb88f4edbab7011d74", kill_on_drop: false }`
[INFO] [stdout] 5889d1b7f549850f32a2b90dbc0504b35cc80909ebb7decb88f4edbab7011d74